Richard Fiennes, jure uxoris 7th Baron Dacre (1415 – 25 November 1483) was an English knight and hereditary keeper of Herstmonceux Castle, Sussex. He was the son of Sir Roger Fiennes, Member of Parliament (M.P.) for Sussex. and Elizabeth Holland. His paternal uncle was James Fiennes, 1st Baron Saye and Sele. Richard married Joan Dacre, 7th Baroness Dacre in June 1446. Children of Richard Fiennes and Joan Dacre: